Alert archive / Minnesota / Flash Flood Warnings in 2018
Flash Flood Warning 5, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Jul 12, 2018, 7:06 AM CDT for Kanabec County, Mille Lacs County, Minnesota. It was in force for 3 hr. 10 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 12, 2018, 7:06 AM CDT (12:06 UTC)
- Expired
- Jul 12, 2018, 10:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Kanabec County, MN, Mille Lacs County, MN
The radar
The Duluth radar (KDLH), 121 km from the middle of the area, began a volume at 12:09 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 12, 7:30 AM CDT | FLASH FLOOD | Grasston, MN | RAILROAD TRACK WASHED OUT IN GRASSTON MN. |
| Jul 12, 7:36 AM CDT | HEAVY RAIN 3.43 | Onamia 6se, MN | MESONET STATION TS376, ONAMIA 6SE. THE DURATION OF THE HEAVY RAIN EVENT WAS 12 HOURS. |
| Jul 12, 7:57 AM CDT | HEAVY RAIN 6 | Mora 2 N, MN | COCORAHS STATION MN-KB-2, MORA 2 N. THE DURATION OF THE HEAVY RAIN EVENT WAS 24 HOURS. |
| Jul 12, 8:00 AM CDT | HEAVY RAIN 5.22 | Grasston, MN | MESONET STATION GSTM5, GRASSTON. THE DURATION OF THE HEAVY RAIN EVENT WAS 12 HOURS. |
| Jul 12, 8:00 AM CDT | HEAVY RAIN 6.66 | Mora, MN | MESONET STATION MOAM5, MORA. THE DURATION OF THE HEAVY RAIN EVENT WAS 12 HOURS. |
| Jul 12, 8:08 AM CDT | HEAVY RAIN 7.04 | Mora 1ene, MN | MESONET STATION JMRM5, MORA 1ENE. THE DURATION OF THE HEAVY RAIN EVENT WAS 12 HOURS. |
| Jul 12, 9:00 AM CDT | FLASH FLOOD | 4 N Ogilvie, MN | ONGOING WATER FLOWING OVER THE ROADS. |
| Jul 12, 9:00 AM CDT | HEAVY RAIN 6.48 | Grasston, MN | MESONET STATION GSTM5, GRASSTON. THE DURATION OF THE HEAVY RAIN EVENT WAS 24 HOURS. |
| Jul 12, 9:00 AM CDT | HEAVY RAIN 6.8 | Mora, MN | MESONET STATION MOAM5, MORA. THE DURATION OF THE HEAVY RAIN EVENT WAS 24 HOURS. |
| Jul 12, 9:09 AM CDT | FLASH FLOOD | 11 Nnw Quamba, MN | ONGOING WATER FLOWING OVER THE ROADS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 0.1 hours before the alert went out and 137 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 745 J/kg
- Mixed-layer CIN
- -244 J/kg
- Mixed-layer LCL
- 1291 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 387 m²/s²
- 0-3 km storm-relative helicity
- 437 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.3
The text
As transmitted.
217
WGUS53 KMPX 121206
FFWMPX
MNC065-095-121500-
/O.NEW.KMPX.FF.W.0005.180712T1206Z-180712T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
706 AM CDT THU JUL 12 2018
The National Weather Service in The Twin Cities has issued a
* Flash Flood Warning for...
Kanabec County in east central Minnesota...
Northeastern Mille Lacs County in east central Minnesota...
* Until 1000 AM CDT.
* At 704 AM CDT, local law enforcement reported flooding in the city
of Mora with several roads closed in the city due to high water,
with some vehicles stranded. This is the result of 4 to 7 inches
of rain which fell between 4am and 7am this morning across
northeast Mille Lacs and northern Kanabec counties. As the rain
eases this morning, this water will slowly recede.
* Some locations that will experience flooding include...
Mille Lacs Lake, Mora, Brunswick, Isle, Ogilvie, Wahkon, Grasston,
Quamba, Knife Lake, Mora Airport and Warman.
LAT...LON 4615 9343 4616 9341 4615 9306 4598 9306
4598 9314 4577 9315 4580 9360 4625 9353
4624 9343
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 4:37 AM CDT | Special Weather Statement | MPX | Kanabec | 113 min |
| Jul 12, 6:46 AM CDT | Special Weather Statement | MPX | Kanabec | 3 hr |
| Jul 12, 10:26 AM CDT | Areal Flood Warning | MPX | Kanabec, Mille Lacs | 6 hr |
| Jul 12, 10:43 AM CDT | Special Weather Statement | MPX | Isanti, Sherburne | 32 min |
| Jul 12, 11:16 AM CDT | Special Weather Statement | MPX | Chisago | 29 min |
| Jul 12, 2:42 PM CDT | Flash Flood Watch | MPX | Blue Earth, Brown, Faribault, Martin, Nicollet, Redwood and 1 more | 16 hr |
| Jul 12, 4:38 PM CDT | Special Weather Statement | MPX | Anoka | 52 min |
| Jul 12, 4:43 PM CDT | Special Weather Statement | MPX | Hennepin | 47 min |
| Jul 12, 4:46 PM CDT | Special Weather Statement | MPX | Redwood | 74 min |
| Jul 12, 5:10 PM CDT | Special Weather Statement | MPX | Brown, Carver, Hennepin, McLeod, Ramsey, Sibley | 65 min |
| Jul 12, 5:18 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Washington | 27 min |
| Jul 12, 5:27 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin | 33 min |
| Jul 12, 5:43 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Scott | 47 min |
| Jul 12, 5:54 PM CDT | Special Weather Statement | MPX | Ramsey | 51 min |
| Jul 12, 6:02 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin | 43 min |
| Jul 12, 6:14 PM CDT | Special Weather Statement | MPX | Brown | 46 min |
| Jul 12, 6:27 PM CDT | Special Weather Statement | MPX | Brown | 93 min |
| Jul 12, 6:40 PM CDT | Special Weather Statement | MPX | Dakota | 50 min |
| Jul 12, 6:47 PM CDT | Severe Thunderstorm Warning | MPX | Dakota | 31 min |
Nearby
Flash Flood Warnings in Minnesota, 2018Every flash flood warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.